How Drugs Act?

1. Which class of antibiotics does penicillin belong to?
   • A. Macrolides
   • B. Cephalosporins
   • C. Beta-lactams
   • D. Tetracyclines
2. What is the primary mechanism of action of aminoglycosides?
   • A. Inhibit cell wall synthesis
   • B. Inhibit protein synthesis
   • C. Inhibit DNA replication
   • D. Disrupt cell membrane
3. Which antibiotic is commonly used to treat methicillin-resistant Staphylococcus aureus (MRSA)?
   • A. Vancomycin
   • B. Amoxicillin
   • C. Ciprofloxacin
   • D. Erythromycin
4. What is the main use of tetracyclines?
   • A. Treat viral infections
   • B. Treat fungal infections
   • C. Treat bacterial infections
   • D. Treat parasitic infections
5. Which antibiotic class does ciprofloxacin belong to?
   • A. Macrolides
   • B. Fluoroquinolones
   • C. Aminoglycosides
   • D. Sulfonamides
6. What is the primary side effect of aminoglycosides?
   • A. Hepatotoxicity
   • B. Nephrotoxicity
   • C. Neurotoxicity
   • D. Cardiotoxicity
7. Which antibiotic is effective against anaerobic bacteria and protozoa?
   • A. Amoxicillin
   • B. Clindamycin
   • C. Metronidazole
   • D. Azithromycin
8. Which class of antibiotics is known for its broad-spectrum activity?
   • A. Beta-lactams
   • B. Tetracyclines
   • C. Macrolides
   • D. Fluoroquinolones
9. What is the mechanism of action of beta-lactam antibiotics?
   • A. Inhibit protein synthesis
   • B. Inhibit cell wall synthesis
   • C. Disrupt cell membrane
   • D. Inhibit DNA replication
10. Which antibiotic is commonly used to treat urinary tract infections?
    • A. Amoxicillin
    • B. Ciprofloxacin
    • C. Doxycycline
    • D. Erythromycin
11. Which antibiotic class does erythromycin belong to?
    • A. Aminoglycosides
    • B. Fluoroquinolones
    • C. Macrolides
    • D. Tetracyclines
12. What is the main use of sulfonamides?
    • A. Treat bacterial infections
    • B. Treat viral infections
    • C. Treat fungal infections
    • D. Treat parasitic infections
13. Which antibiotic is commonly used to treat pneumonia?
    • A. Amoxicillin
    • B. Azithromycin
    • C. Ciprofloxacin
    • D. Doxycycline
14. What is the primary side effect of tetracyclines?
    • A. Hepatotoxicity
    • B. Nephrotoxicity
    • C. Photosensitivity
    • D. Cardiotoxicity
15. Which antibiotic class does doxycycline belong to?
    • A. Beta-lactams
    • B. Tetracyclines
    • C. Macrolides
    • D. Aminoglycosides
16. Which antibiotic is effective against Pseudomonas aeruginosa?
    • A. Vancomycin
    • B. Amoxicillin
    • C. Ciprofloxacin
    • D. Erythromycin
17. What is the mechanism of action of macrolides?
    • A. Inhibit protein synthesis
    • B. Inhibit cell wall synthesis
    • C. Disrupt cell membrane
    • D. Inhibit DNA replication
18. Which antibiotic is commonly used to treat bacterial skin infections?
    • A. Amoxicillin
    • B. Clindamycin
    • C. Metronidazole
    • D. Azithromycin
19. Which antibiotic class does gentamicin belong to?
    • A. Macrolides
    • B. Fluoroquinolones
    • C. Aminoglycosides
    • D. Sulfonamides
20. What is the primary side effect of fluoroquinolones?
    • A. Hepatotoxicity
    • B. Nephrotoxicity
    • C. Tendonitis and tendon rupture
    • D. Cardiotoxicity

Answer Key

1. C
2. B
3. A
4. C
5. B
6. B
7. C
8. A
9. B
10. B
11. C
12. A
13. B
14. C
15. B
16. C
17. A
18. B
19. C
20. C